SAP Function /SAPHT/SW_BL_PL_TY_SW_BL_PL - IS-SW: Propose billing plan and switch it on item/header level

Parameter Reference Type Length Default Optional Text
ITVAK TVAK u 498
ITVAP TVAP u 159 X
IVBAK VBAK u 888
IVBAP VBAP u 1552 X
IVBKD VBKD u 622

Parameter Reference Type Length Default Optional Text
BILLINGPLANTYPE TVAP-FPART C 2

Functionality
Override billing plan proposed by the item category/document type
This was function module OG_SWITCH_BILLING_PLAN in IS-SW.
IMPORTANT: The billing plan is only exchanged, if item and header
level have either milestone billing or they both don't
have milestone billing. The value '0003' in tfpla-uevor
is used for this check ('0003' is milestone billing).